为Caché 进行 Prometheus 监控时，配置好application /metrics后， Prometheus 连接报错“server returned HTTP status 404 Not Found”是什么原因

https://cn.dev.community.intersystems.com/post/%E4%B8%BAcach%C3%A9-%E8%BF%9B%E8%A1%8C-prometheus-%E7%9B%91%E6%8E%A7%E6%97%B6%EF%BC%8C%E9%85%8D%E7%BD%AE%E5%A5%BDapplication-metrics%E5%90%8E%EF%BC%8C-prometheus-%E8%BF%9E%E6%8E%A5%E6%8A%A5%E9%94%99%E2%80%9Cserver-returned-http-status